Unveiling the Mysteries Why Injection Pumps Stop Pumping

On the side of the pump there are some torx bolts (4) you can unscrew and open the small plate there. Look for a switch that your lever comes in ... Try pressurizing the fuel tank with an air hose, and use a rag to seal it. Are you sure the injection timing is correct? You need special tools ... If no movement of fuel then you have lost of prime or pump not working, or a blockage, which could be the glass check ball in the return nipple, ... If you did have fuel coming out of the return line the supply side is probably working and there is a delivery issue. Likely problem areas would ... You have moisture, trash, dirt, or some other contaminant in your fuel. That same fuel problem will also ruin the new pump. Moisture in the fuel ... Honestly for the 10 mins it takes to heck the locations of possible fuel pumps I would check to see if they are there. Check under the seats and ... This website and forum is the property of Buggiesgonewild.com. No material may be taken or duplicated in part or full without prior written consent. It requires an amount of hydraulic "head" to prime the check valves and then to pump liquid uphill to the carbs. This is a positive displacement diaphragm pump. Basically, the fuel is not being pumped to the injectors. Does this sound like the injector is shot. I thought fuel would be gushing from the pump. try cracking the steel lines at the injector pump just to see if your clog is the lines or the pump. could just be air lock and your lift pump ...